#include <bits/stdc++.h>
#define LL long long
#define PII pair <int, int>
using namespace std;
int main() {
	freopen("employ.in", "r", stdin);
	freopen("employ.out", "w", stdout);
	ios :: sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	cout<<0;
	return 0;
}
//long long

